Wristwatch case



FIG. 1 is a front perspective view of the wristwatch case showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof with the ring bow articulated with the winding-crown in a turned up position;

FIG. 5 is a rear view of the design of FIG. 2;

FIG. 6 is a front view of the design of FIG. 2;

FIG. 7 is a right side view of the design of FIG. 2; and,

FIG. 8 is a left side view of the design of FIG. 2. 

The ornamental design for a wristwatch case, as shown and described. 